Utilize the non-deprecated polds/restclient
Add the ability to send attachments!
Update mandrill.go
Update mandrill.go
Typos
Merge pull request #2 from polds/master

Send attachments
Merged JaTochNietDan's changes
Merge pull request #1 from ripexz/master

Merged up-to-date upstream with your non-deprecated REST lib, yo!